Enlarged 2 times, this cross section of human head to show mouth and nasal passages. Relationship between the windpipe and esophagus can be easily shown. Includes key card
Orbit Nitrogen atom, Nj, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, 6 atom planar ring or Azo, Color: Blue
List View
Easy View (new)
